Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 163
3 at say 8 0 504 pairs Angle Joints, 1 ft. 6 in. long 28 lbs. per pair . 6 6 9 0 1008 Bolts for Angle Joints . 1% lbs. each . - 0 lo]4 20 0 3520 Key bolts for timber . V/2 lbs. each . . 4 0 12 0 1008 Angle Joint Spikes . 1 lb. each - . 0 9 12 0 1008 Timber Longitudinals . . 5 in.X4 in.Xl9 ft 6 in.… … The cross section and plan of the suspended rail are here given. Itwill be seen that to remove the rail it is not necessary to remove thetimber, but only the joint bolts, both sides being alike. Fig. 3 is thecross section, Fig. 4 the plan. Fig. 4. * vr r i 1 1 { ; J-Jj j, ■ 1 P£ £417 17 0175 4 6…
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